Hi folks,
I need to know (exactly, since electricity and I are not the best of friends) how to connect the BAT lead from the stock alternator.
Should I run a wire DIRECTLY from the BAT lead of alternator to the POSITIVE (+) terminal of the battery? If so , would a 12 gauge fusible wire be OK for this?
Does there have to be an ADDITIONAL connection from the BAT lead of the stock alternator to the terminal on the starter solenoid where the POSITIVE battery cable connects to?
I have the "T" connector cables to alternator set up ok, as they were minimally toasted. I believe I have the "E" connector set up OK.
I don't think my alternator (diodes) were toasted. Currently, though, with a connection from the alternator BAT lead to post on solenoid with POSITIVE battery cable, alternator light comes on with ignition, but stays on with engine running..
With NO connection from Alternator BAT to the battery (I know I should not run like this...) the alternator light comes on with ignition, but goes out once engine starts running..
Any help would be MUCH appreciated..
Bill Clogher
Bill,
I posed your questions to the DQ Staff and Tom Walter, our "electron demon fighter", has a few
answers/suggestions for you:
To the first question, yes, you should have a direct lead from the BAT lead of the alternator to the battery. Use a highly flexible line, with crimped (not soldered) connections. And yes a fusible link is a good idea. If you use a 10 gauge wire, use a 12 guage fusible link. The second question, no, there doen't have to be an additional connection from the BAT lead of the alternator to the starter.
If your "T" connector cables were "minimally toasted", it means you had a problem and probably still do. If the alternate light comes on and stays on it sounds like the regulator is telling you that the system is not charging.
You may have damaged the regulator by a "sneak path". If you have mechanical regulator (tall housing with two relays inside, as fitted the Datsun when New). It will just not turn on the "L" relay as it should. If you have a replacement electronic regulator, they are not all alike. The better Japanese replacement items will also shut down, protecting themselves from damage. The cheap electronic regulators save a few cents during manufacturing and leave out the self protection features and is most likely destroyed.
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